diff options
Diffstat (limited to 'fs/ocfs2/suballoc.h')
| -rw-r--r-- | fs/ocfs2/suballoc.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h index cafe93703095..8799033bb459 100644 --- a/fs/ocfs2/suballoc.h +++ b/fs/ocfs2/suballoc.h @@ -147,4 +147,12 @@ static inline int ocfs2_is_cluster_bitmap(struct inode *inode) int ocfs2_reserve_cluster_bitmap_bits(struct ocfs2_super *osb, struct ocfs2_alloc_context *ac); +/* given a cluster offset, calculate which block group it belongs to + * and return that block offset. */ +u64 ocfs2_which_cluster_group(struct inode *inode, u32 cluster); + +/* somewhat more expensive than our other checks, so use sparingly. */ +int ocfs2_check_group_descriptor(struct super_block *sb, + struct ocfs2_dinode *di, + struct ocfs2_group_desc *gd); #endif /* _CHAINALLOC_H_ */ |